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Journal : journal of environmental engineering and sustainable technology

Assessment of River Water Quality Using Pollution Index and Development of Pollution Control Strategies in the Petung River, Indonesia Dewi, Eliza Masita; Kurniawan, Andi; Anggayasti, Wresti Listu; Hasan, Muhammad Fathur Rouf; Wijayanto, Hari Wahyu
Journal of Environmental Engineering and Sustainable Technology Vol 12, No 2 (2025)
Publisher : Directorate of Research and Community Service (DRPM)

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Abstract

The Petung River supports domestic, agricultural, and economic activities in Pasuruan City but is subject to increasing anthropogenic pressures. This study aims to assess the river water quality status and formulate water pollution control strategies. Water quality was evaluated using the Pollution Index based on laboratory measurements conducted in April and June 2025. A SWOT analysis was performed by identifying internal and external factors through field observations and key informant interviews, followed by weighting and ranking to determine strategic priorities. The results indicate that the Petung River is predominantly classified as lightly polluted, with Pollution Index values ranging from 2.48 to 5.06, while one monitoring point in June 2025 reached a moderate pollution status. Although pH (6.75–7.80) and nitrate (1.15–3.40 mg/L) complied with Class II standards, total suspended solids, biological oxygen demand (6.49–16.01 mg/L), chemical oxygen demand, and total phosphate (0.27–3.03 mg/L) exceeded regulatory thresholds. The priority strategy is the establishment of communal wastewater treatment systems, supported by improved coordination, institutional capacity, community-based programs, and strengthened monitoring.
Co-Authors A'isyah Salimah A. Fauzi Pohan A. T. S. Azhar A. T. Sudjianto Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adinegara, Aldo W. Adinegara, Aldo Wirastana Agung B. Broto Agung Budi Broto Agung Teguh Wibowo Almais Agung, P. A. Maha Agus Naba Ahmad Imron Rozuli Ahmad N. Faris Ahmad, Mustaffa A. Alamsyah M. Juwono Amalia Amalia Amalia Amalia Amalia Amalia Andi Kurniawan Andikanoza Pradiptiya Anggayasti, Wresti Listu Anggraeni, Ike Listya Anis Nurullaili Anis Rosyidah Anjar Pranggawan Azhari Annabil, Achmad Achdan Aprilia, Faridha Arbad, Arliandy Pratama Aryono Adhi, Aryono Ashari, Fadhil Muhamad Aunur Rofiq Aunur Rofiq Azzahro, Rossyda Bambang Setiahadi Budi Damianto Bunga Puspita, Mayang Cahya, Musyaffa Esa Daeng A. Suaidi Denny Yatmadi Denny Yatmadi Denny Yatmadi Dewi, Eliza Masita Dini Fitriani DYAH NURWIDYANINGRUM Eko Andi Suryo Eko Andi Suryo Faizal, Rahmat Faridha Aprilia Farizky Hisyam Farizky Hisyam Ferdinal, Ferdinal Firdaus, Devan Maulana Germanus Tirta Tambing Gumelar, Dito Ibrahim Gunawan, Fahdynia Karnira Habibiy Idmi, Mohammad Hakim, Meilia Aquina Hamdi Rifai Hanafi, Muhammad Gusti Alif Zuhry Haniyyah, Saffanatul Hapsoro, Cahyo Aji Hari Wisodo, Hari Hendriyansyah, Rafly Hidayat, Lukman Hakim Hisyam, Farizky I Ketut Sucita Idmi, Mohammad Habibiy Imam H Sasongko Juliana, Intan Juwono, Alamsyah M. Karimah Karimah Kartikaningsih, Hartati Khuluq, Muhammad Husnul Komarruzaman, Abdul Razaq Linda Sari Wulandari M. I. S. Fazlina Maharani Pertiwi Koentjoro Mauludi Ariesto Pamungkas Mega Isnaeni Miftakhul Cahyati Mohd. J. Bin Ahmad Muhammad Nizam Zakaria Mujtaba, Mochammad Wafa Husain Musta, Baba Mustaffa A. Ahmad Mustaffa A. Ahmad Muwardi Sutasoma Nur Aziza Putri Osa, Dominggus Benyamin P. A. Maha Agung Prastyo, Redy Eko Putera Agung Maha Agung Putri, Agustine Hanafi Razi, Mohd Adib Mohammad Riandi, Muhammad Alvaro Rinawati Rinawati Rinawati Rinawati Salimah, A’isyah Saputra, Jonathan Siti Rohmah Siti Rohmah Siti Zulaikah Solly Aryza Sony PRAMUSANDI Sri Herwiningsih Sri Sudaryanti, Sri Sukadi, Zefanya Nicko Sukarman Sukarman Sukir Sukir Suripto Suripto Susilo, Adi Sutan Haji, Alexander T. SUTIKNO Sutrisno Sutrisno Sutrisno Sutrisno Swastirani, Astika Tri Widya Swastika Tri Widya Swastika, Tri Widya U. A. Abdurrahman Wijayanto, Hari Wahyu Wiwik Handayani Yanuar Setiawan Yanuarini, Erlina Yelvi Yelvi Yelvi Yelvi Yoyok Adisetyo Laksono Yudianto, Didik Yunika, Nieske Ari Zainorabidin, Adnan